Prediction markets put the probability at 88%: US x China tariff agreement by December 31. Currently, markets see this as likely (88% YES). | Extend the expiration of its market-based tariff exclusion process for imports from the US, with exclusions to remain valid until December 31, 2026.
The trajectory toward a formalized us x china tariff agreement by december 31 has been dramatically reshaped by the November 1, 2025 White House fact sheet detailing the Trump-Xi meeting outcomes. That document confirmed China will extend its market-based tariff exclusion process for U.S. imports, with exclusions remaining valid until December 31, 2026, while the United States committed to lowering tariffs on Chinese imports. The agreement also includes Beijing’s removal of retaliatory measures tied to the Section 301 investigation on maritime and shipbuilding sectors, plus resumption of trade from chipmaker Nexperia’s Chinese facilities for legacy chip production. These concrete steps have anchored market expectations that a binding bilateral framework will be in place by year-end, though the precise scope of tariff reductions remains subject to ongoing technical negotiations. [China Briefing, Nov 10]
The structural timeline for a us x china tariff agreement by december 31 is now tightly coupled to two parallel deadlines. First, the December 31, 2026 expiration of China’s exclusion process creates a long-term anchor, but the immediate market focus is on the December 31, 2025 target for finalizing tariff reduction schedules. Second, agricultural trade signals are converging: analysts project China could purchase approximately 15 million metric tons of U.S. soybeans before December 31, with an additional 10 million metric tons potentially delayed until after the U.S. midterm elections. The White House fact sheet explicitly states China will further extend its exclusion process, a move that directly supports the tariff reduction timeline. However, hawks in Washington caution that enforcement mechanisms for shipping-related sanctions and legacy chip export controls remain untested, creating potential friction points before the year-end deadline. [Reuters, Nov 01]
The decisive factor for the us x china tariff agreement by december 31 will be whether both governments can operationalize the November framework into binding tariff schedules before the deadline. China’s tariff exclusion process, first established in September 2019 with 16 items and expanded through multiple lists, now serves as the primary mechanism for reciprocal tariff relief. The November 7, 2025 U.S. Embassy fact sheet confirms China will remove retaliatory measures and extend exclusions through December 31, 2026, signaling continuity beyond the immediate deadline. Yet, the Canadian precedent—where a separate China tariff agreement is set to expire on December 31—illustrates how year-end deadlines can become political leverage points. Trade minister Kaeding’s June 2026 remarks about extension talks highlight that even successful agreements face renewal uncertainty, making the current 88% probability contingent on both sides finalizing implementation details rather than merely announcing intent. [U.S. Embassy China, Nov 07]
Polymarket prices this at 88c YES with $219K in volume. Moderate liquidity — use limit orders for positions above $1K to avoid moving the price.
5/5 models agree on YES, fair value 85c vs market 91c. BUY YES at 91c — models see 6c of upside.
| Model | Says | Fair Value estimated fair price | Confidence |
|---|---|---|---|
| MATH PIN Model | YES | 95c | — |
| MATH Compound Signal | YES | 73c | — |
| AI Claude Analysis | YES | 89c | 60% |
| AI DeepSeek Quant | YES | 84c | 65% |
| AI Kimi Macro | YES | 84c | 70% |
5 of 5 models estimate YES fair value below market (73–95c vs 91c). Kimi Macro leads with 70% confidence.
Models estimate fair value of YES at 85c — market prices it at 91c. 6-point gap supports NO.
Smart money is positioned one-directionally long YES, with the only tracked entry at 86c reflecting conviction that a US-China tariff agreement lands before year-end. The absence of any NO exposure and the profitable entry signal directional agreement with the market consensus rather than a contrarian bet, reinforcing the YES-favored path.
| Wallet | Category | Side | Amount | P&L | |
|---|---|---|---|---|---|
| 0xeec5..fe | Retail | YES | $3.2K | +5% |
The single tracked wallet entered YES at 86c and now sits at 91c, a ~6% unrealized gain, leaving 100% of YES exposure in profit and no NO positions underwater. Thin participation means price support rests on one holder, but that position is comfortably green and unlikely to force-sell, offering mild upward support toward resolution.
Polymarket prices YES at 88c with $219K in total volume. Our model estimates fair value at 85c. 3-point gap is within normal range — no significant mispricing.
| Platform | YES Price | Volume |
|---|---|---|
| Polymarket | 88c | $219K |
| Our Model | 85c | — |